The US 6812 Division Bombe Report Eastcote 1944 Page 25

Tony Sale's Codes and Ciphers

| previous page | next page | index page |

- 20- TOP SECRET-T



1 letter on one chain is coupled to one letter on the other chain which is coupled back to another letter on the first chain

I|A||F|E J|S||M|Z H|L||T|X K|R||R|J

illegal contradiction. M/C should not have stopped.

....

fault on the M/C. Inform Technician.





1 letter on one chain is coupled to one letter on the other chain ,which is coupled to another letter on the same chain.

I|A||F|E J|S||M|Z H|L||T|X K|R||R|F

illegal contra- diction. M/c should not have stopped.

....

a fault on the M/C. Inform Techn1cian.





1 letter on one chain is coupled to one letter on the other chain ,which is coupled to a letter off both channs.

I|A||F|E J|S||M|Z H|L||T|X K|R||R|C

illegal contra- diction. M/C should not have stopped.

...

a fault on the M/C. Inform Technician.



DOUBLE INPUT, SINGLE RELAY ON EACH CHAIN, WITH SUBSIDIARY CHAIN.




@After getting on to the subsidiary chain from the main chain, one letter on the subsidiary chain is coupled to one letter on the auxiliary chain which confirms,

I|A||F|Y J|B||P|D H|L||T|X K|R||M|U -------- R|K||R|K S|F||S|F

confirmation.

story printed (unless there is a legal contra- diction on the other letters.

could be the right stop.





@After getting on to the subsidiary chain from the main chain,one letter on the subsidiary chain is coupled to one letter on the auxilliary chain which does not confirm.

I|A||F|S J|B||P|D H|L||T|Q K|R||M|U -------- R|K S|F

illegal contradiction, M/C should not have stopped.

...

a fault on the M/C Inform the Technician.





@After getting on to the subsidiary chain from the main chain,one letter on the auxiliary chain is coupled to a letter on the subsidiary chain which does not confirm.

I|A||F|D J|B||P|S H|L||T|Q K|R||M|U -------- R|K||R|C S|Y||S|P

Permis- sible

2 stories printed (unless there is a legal con- tradiction on the other letters).

correct from M/C point of view. If the main chain letter con- cerned is on out-lying link the stop is sent in.



@ In all examples "Main" and "Auxiliary" chain can be reversed and conditions
still apply.



---




| previous page | next page | index page |